Only add everyone to mentionedroles if the user has permissions

src/Discord.Net/Helpers/Mention.cs

@@ -52,11 +52,12 @@ namespace Discord
 					return '#' + e.Value;
 			}));
 		}
-		internal static string CleanRoleMentions(DiscordClient client, Server server, string text, List<Role> roles = null)
+		internal static string CleanRoleMentions(DiscordClient client, User user, Channel channel, string text, List<Role> roles = null)
 		{
 			return _roleRegex.Replace(text, new MatchEvaluator(e =>
 			{
-				roles.Add(server.EveryoneRole);
+				if (roles != null && user.GetPermissions(channel).MentionEveryone)
+					roles.Add(channel.Server.EveryoneRole);
 				return e.Value;
 			}));
 		}

src/Discord.Net/Models/Message.cs

@@ -177,7 +177,8 @@ namespace Discord
 
 		internal void Update(MessageInfo model)
 		{
-			var server = Server;
+			var channel = Channel;
+			var server = channel.Server;
 			if (model.Attachments != null)
 			{
 				Attachments = model.Attachments
@@ -226,7 +227,7 @@ namespace Discord
 				if (server != null)
 				{
 					text = Mention.CleanChannelMentions(_client, server, text, mentionedChannels);
-					text = Mention.CleanRoleMentions(_client, server, text, mentionedRoles);
+					text = Mention.CleanRoleMentions(_client, User, channel, text, mentionedRoles);
 				}
 				Text = text;